package lab02.test19;

/**
 * Created by V555 on 2017/10/29.
 */
public class Test {
    public static void main(String[] args) {
        char tmp;
       String name="HelloWord";
       for (int i=name.length()-1;i>=0;i--){
           tmp=name.charAt(i);
           if (tmp>='A'&&tmp<='Z')
               System.out.print((char)(tmp+32));
           if (tmp>='a'&&tmp<='z')
               System.out.print((char)(tmp-32));
       }
    }
}
